Chris@16: // Copyright David Abrahams 2003.
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #ifndef IMPLICIT_CAST_DWA200356_HPP
Chris@16: # define IMPLICIT_CAST_DWA200356_HPP
Chris@16: 
Chris@101: namespace boost {
Chris@16: 
Chris@101: namespace detail {
Chris@101: 
Chris@101: template<class T> struct icast_identity
Chris@101: {
Chris@101:     typedef T type;
Chris@101: };
Chris@101: 
Chris@101: } // namespace detail
Chris@16: 
Chris@16: // implementation originally suggested by C. Green in
Chris@16: // http://lists.boost.org/MailArchives/boost/msg00886.php
Chris@16: 
Chris@16: // The use of identity creates a non-deduced form, so that the
Chris@16: // explicit template argument must be supplied
Chris@16: template <typename T>
Chris@101: inline T implicit_cast (typename boost::detail::icast_identity<T>::type x) {
Chris@16:     return x;
Chris@16: }
Chris@16: 
Chris@16: // incomplete return type now is here
Chris@16: //template <typename T>
Chris@16: //void implicit_cast (...);
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: 
Chris@16: #endif // IMPLICIT_CAST_DWA200356_HPP